Advisory Details

September 16th, 2014

Microsoft Internet Explorer UpdateColumnAndColGroupStyles Remote Code Execution Vulnerability

CVE ID	CVE-2014-4101
CVSS SCORE	5.1, AV:N/AC:H/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Internet Explorer
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['16678']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	This vulnerability may allow remote attackers to execute arbitrary code on vulnerable installations of Microsoft Internet Explorer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The vulnerability relates to how Internet Explorer maintains an array of objects of type Tree::SComputedStyle tracking the styles applied to the columns or column groups of an HTML table. By manipulating a document's elements an attacker can cause Internet Explorer to use memory beyond the end of this array. An attacker may be able to leverage this vulnerability to execute code under the context of the browser.
ADDITIONAL DETAILS	Microsoft has issued an update to correct this vulnerability. More details can be found at: http://go.microsoft.com/fwlink/?LinkId=509961
DISCLOSURE TIMELINE	2014-08-27 - Vulnerability reported to vendor 2014-09-16 - Coordinated public release of advisory
CREDIT	Jose A. Vazquez of Yenteasy - Security Research -

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